Fix .gitignore and track package.json + lock file

Fix .gitignore and track package.json

Simplify render.yaml: Remove explicit rootDir to fix path issues

Fix Render deployment: Force npm and correct root directory

Temporarily hide requirements.txt to force Node.js detection

Fix Render deployment: Force Node.js runtime

Update render.yaml for Node.js deployment

Initial commit: AURA Advanced Vision Assistant with Voice Integration